title: Cancer of male urethra diagnosed by sponge biopsy; report of a case.
mesh_terms: D000818:Animals; D001706:Biopsy; D006801:Humans; D008297:Male; D009369:Neoplasms; D011161:Porifera; D014521:Urethra; D014523:Urethral Neoplasms
keywords: URETHRA/neoplasms